If the ringer you're referring to is the part attached to your valance, I think you can just wrap the string around the plastic ring, then screw the ring into the same hole as the original rig. I think your string has a loop at the end. That is how ours work.
Jim and Lynda, (Sophie, Jake, attack trained killer Shi-Tzus :-))
2003 Fleetwood Expedition 38N 2005 Saturn Vue